3,3’,5,5’-Tetramethylbenzidine or TMB is a chromogenic substrate used in staining procedures in immunohistochemistry as well as being a visualizing reagent used in enzyme-linked immunosorbent assays (ELISA)TMB is a white crystal powder that forms a pale blue-green liquid in solution with ethyl acetate. TMB is degraded by sunlight and by fluorescent lights
| Specification | |
| Synonyms | BM blue, Sure Blue TMB, TMB Blotting Plus, TMB substrate, TMB |
| Categories | Nitrogen compounds, Amines |
| Assay (HPLC) | ≥99% |
| Appearance (Form) | Powder |
| Appearance (Colour) | White to beige to yellow |
| CAS | 54827-17-7 |
| HSN Code | 292159.90 |
| Melting point | 168-171 °C(lit.) |
Safety Information
- Symbol GHS07 GHS07
- Signal word Warning
- Hazard statements H315-H319-H335
- Precautionary statements P261-P305 + P351 + P338
- Personal Protective Equipment dust mask type N95 (US), Eye shields, Face shields, Gloves
- Hazard Codes Xi
- Risk Statements 36/37/38
- Safety Statements 26-36
- WGK Germany 3
- RTECS DV2300000
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